Home / 14,143.03-21,217.28-5,377.26

Finding the Fourth Proportional to 14,143.03, 21,217.28 and 5,377.26

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Solution

The fourth proportional to 14,143.03, 21,217.28 and 5,377.26 is: 8,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.03 : 21,217.28 = 5,377.26 : x
  2. Step 2: Convert to fraction form
    14,143.03/21,217.28 = 5,377.26/x
  3. Step 3: Cross multiply
    14,143.03x = 21,217.28 × 5,377.26
  4. Step 4: Simplify right side
    14,143.03x = 114,090,903.90
  5. Step 5: Solve for x
    x = 114,090,903.90/14,143.03
  6. Step 6: Final answer
    x = 8,066.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.